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Patents

观测基准失稳补偿式接触网偏移量检测装置

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Disigner of the Invention:luzhaijun

Type of Patent:Invent

State of Patent:Authorized patents

Authorization number:2014102611851

Service Invention or Not:no

Application Date:2014-06-13

Authorization Date:2015-05-13

Application Date:2014-06-13

Authorization Date:2015-05-13